31032330012312 has 32 divisors (see below), whose sum is σ = 78305879476800. Its totient is φ = 10247436077984.

The previous prime is 31032330012311. The next prime is 31032330012319. The reversal of 31032330012312 is 21321003323013.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032330012311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6042117762 + ... + 6042122897.

It is an arithmetic number, because the mean of its divisors is an integer number (2447058733650).

Almost surely, 2^{31032330012312} is an apocalyptic number.

It is an amenable number.

31032330012312 is an abundant number, since it is smaller than the sum of its proper divisors (47273549464488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31032330012312 is a wasteful number, since it uses less digits than its factorization.

31032330012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12084240775 (or 12084240771 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31032330012312 its reverse (21321003323013), we get a palindrome (52353333335325).

The spelling of 31032330012312 in words is "thirty-one trillion, thirty-two billion, three hundred thirty million, twelve thousand, three hundred twelve".